Answer the question.True or False: The graph of the equation x + 5y = 0 goes through the origin.
A. True
B. False
Answer: A
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Describe all symmetries of the figure shown.
A. 1 line of symmetry B. 90° rotation symmetry C. 180° rotation symmetry D. 1 line of symmetry, 180° rotation symmetry
Write the complex number in polar form. Express the argument in degrees, rounded to the nearest tenth, if necessary.3
A. 3(cos 0° + i sin 0°) B. 3(cos 270° + i sin 270°) C. 3(cos 90° + i sin 90°) D. 3(cos 180° + i sin 180°)
Solve the problem.If (a, 3) is a point on the graph of y = 2x - 5, what is a?
A. 4 B. -4 C. 1 D. -1
The Richter scale converts seismographic readings into numbers for measuring the magnitude of an earthquake according to this function M(x) = log 
, where x0 = 10-3.What is the magnitude of an earthquake whose seismographic reading is 7.7 millimeters at a distance of 100 kilometers from its epicenter? Round the answer to the nearest tenth.
A. 2.7 B. 886.5 C. 3.9 D. 2.9